UPDATE 1-U.S. high-yield muni bond fund outflows set record

(Adds quotes, muni market context; recasts with record flows) By Hilary Russ Nov 17 (Reuters) - U.S. municipal high-yield bond fund outflows set a record during the week ending Nov. 16, with investors dumping the tax-exempt sector as U.S. Treasuries plummeted after the stunning victory by President-elect Donald Trump on Nov. 8, data on Thursday showed. Investors pulled $1.59 billion out of high-yield muni bond funds, the most ever in a single week since Thomson Reuters' Lipper ser